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Table 3 Diet composition (kg/d) in the selected commercial farms, chemical properties and nutritional values of the rations

From: Breed and adaptive response modulate bovine peripheral blood cells’ transcriptome

Item Farms
F1 F2 F3 F4 F5 F6
Lucerne 8.0 4.4 5.0 4.5 3.5 4.5
Pasture hay    1.5 1.5 3.3  
Wheat silage   2.2     
Corn silage 22.5 20.0 15.0 20.0 32.0 20.0
Ryegrass silage   8.0     5.0
Cotton seeds   1.2 1.0 1.0   
Corn meal 5.2 6.0 6.0 4.5   6.0
Soybean meal 2.0 2.1 2.0 1.0   1.0
Rapeseed meal   1.5   1.4   
Linseed    0.3    
Straw 0.5      
Wheat bran     1.5   
Supplements 3.4 0.2 0.6 0.5 9.5 2.5
Total 41.6 45.6 31.4 35.9 48.3 39.0
DMI 23.3 22.6 19.5 20.7 23.4 19.8
Starch, % DM 25.2 27.8 28.6 26.8 25.5 30.1
CP, % DM 14.7 14.0 14.8 13.2 13.1 13.2
EE, % DM 2.9 3.9 4.1 4.1 2.8 3.0
Ashes, % DM 6.6 6.7 7.5 7.4 7.8 6.4
NDF, % DM 38.7 37.4 35.4 36.9 38.5 38.8
MFU 20.0 20.7 17.9 17.9 21.3 17.5
PDIN, g/d 2.222 2.058 1.972 1.776 1.996 1.726
PDIE, g/d 2.154 2.043 1.940 1.784 1.960 1.785
  1. (F farm, DMI dry matter intake, DM dry matter, CP crude protein, EE ether extract, NDF neutral detergent fiber, MFU milk fodder units, PDIN protein digested in small intestine when rumen-fermentable nitrogen is limiting, PDIE protein digested in small intestine when rumen-fermentable energy is limiting)